Welding - Resistance Methods MCQs : This section focuses on the "Welding - Resistance Methods". These Multiple Choice Questions (MCQs) should be practiced to improve the Welding - Resistance Methods skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Electrodes used in spot welding are made up of which material?
A. Only Copper
B. Copper and tungsten
C. Copper and chromium
D. Copper and aluminium
Question 2
How are the metals to be welded connected to each other in spot welding?
A. Electric contact
B. Magnetic field
C. Mechanical pressure
D. Direct contact
Question 3
In flash butt welding, the forced out metal is called flash.
A. TRUE
B. FALSE
Question 4
Up to what thickness, can steel be welded using spot welding process?
A. 10 mm
B. 11 mm
C. 12 mm
D. 13 mm
Question 5
Upset butt welding is majorly used in the making of automobile parts.
A. TRUE
B. FALSE
Question 6
What is the maximum power supply needed for the working of spot welding process?
A. 135 kVA
B. 140 kVA
C. 145 kVA
D. 150 kVA
Question 7
What is the minimum power supply needed for the working of spot welding process?
A. 10 kVA
B. 14 kVA
C. 6 kVA
D. 22 kVA
Question 8
Which kind of resistance is experienced in upset butt welding?
A. Electric resistance
B. Magnetic resistance
C. Thermal resistance
D. Air resistance
Question 9
Which of the following can be easily be welded from flash butt welding process?
A. Tin
B. Lead
C. Cast irons
D. Carbon steel
Question 10
Which of the following method is not used in applying pressure in spot welding process?
A. Hand lever
B. Foot lever
C. Air pressure
D. Hydraulic cylinder